*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
html,body{
    width: 100%;
    height: 100%;
}
.box{
    border-bottom: 2px solid #ccc;
    padding-bottom: 10px;
}
.add{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0,0,0,0.5);
    display: none;
}
.content1{
    background-color: white;
    position: relative;
    border-radius: 5px;
    margin: 200px auto;
    width: 200px;
    height: 80px;
    display: flex;
    padding-top: 20px;
}
.content1 span{
    width: 40px;
    height: 40px;
    color: green;
    font-size: 30px;
    line-height: 40px;
    text-align: center;
}
.content1 p{
    line-height: 40px;
}
.content{
    width: 300px;
    min-height: 150px;
    margin: 150px auto;
    background-color: white;
    position: relative;
    border-radius: 5px;
}
.content h3{
    height: 50px;
    line-height: 50px;
    border-bottom: 1px solid #ccc;
    padding-left: 20px;
}
.content p{
    margin-top: 20px;
    line-height: 20px;
    padding-left: 20px;
}
.content div{
    position: absolute;
    bottom: 10px;
    right: 10px;
}
.content button{
    width: 40px;
    height: 30px;
    background-color: blue;
    border: none;
    color: white;
    border-radius: 5px;
    margin-left: 5px;
}
.close{
    width: 20px;
    height: 20px;
    background-color: #ccc;
    position: absolute;
    top: 10px;
    right: 10px;
    text-align: center;
    line-height: 20px;
}